TPS22994RUKR

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TPS22994RUKR Application Field and Working Principle

The TPS2299 family of devices are low-cost, low-on-resistance, high-side switch, load drivers and power distribution switches (PDT). For closing isolated highside switches, these devices offer high performance and low cost. They are small, low-resistance (on-off isolation), bidirectional power switches with 8 pins or 16 pins that allow smooth and easy switching of small passive forces, while providing a solution to the power requirements of distributed points of access within a system.

The TPS2299 series are extremely simple to use, and their operation is similar to a conventional IC switch. They are compatible with all logic standards and offer a very efficient, low-resistance, high-side switch solution for many applications. As a power distribution switch, the TPS2299 family of devices can be used to turn on and/or off any given load in the range of voltages from 1.2 V to 48 V.

The TPS22994RUKR is a high-side, low-on-resistance, automotive, power switch that combines the features of the TPS2299 family of devices with an integrated 3DS (three-dimensional switching) architecture. The 3DS allows the device to efficiently control high-side switches by controlling the on-state resistance and the off-state leakage current. This ensures that the devices are always working with the load in the correct configuration.

The TPS22994RUKR features a compact 8-pin design; this reduces both the board area and the number of components required for a complete switching solution. The device also has an internal MOSFET switch, which offers a low on-resistance capability, an internal temperature diode, and a latch-off protection feature, providing a high-performance, low-power solution.

The TPS22994RUKR’s working principle is straightforward: an external logic signal is applied to the gate of the internal MOSFET switch, the internal temperature diode acts as the switch’s temperature sensor, and the internal gate driver, when triggered by the logic signal, acts as a current source and applies the source of the switch’s low-on-resistance current. The internal temperature diode ensures that the device is not over-powered due to temperature swings. When the device is ‘on’, the load is ‘switched off’ and when the device is ‘off’, the load is ‘switched on’.

The TPS22994RUKR is used in automotive applications such as lighting, climate control, door locks, power windows, and other vehicle functions. The device is also used in industrial applications, such as fan control and motor control, as well as in power-supply distribution.

In short, the TPS22994RUKR is a low-on-resistance, high-side switch, load driver and power distribution switch, capable of efficiently switching any given load in the range of voltages from 1.2 V to 48 V. Its simple architecture and integrated 3DS offer high performance, low power, and minimal board area and component count requirements, making it ideal for automotive and industrial applications.

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